Description electric heating 3640kw electric steam generator electric heating boiler convert electrical energy into thermal energy, the pressure of the water is heated to hot water or steam (saturated steam) a thermal device. It requires no furnace, flues and chimneys, and without the fuel storage site, greatly reducing the pollution caused by conventional coal-fired boilers. Electric boiler with no pollution, no noise, small footprint, easy to install, fully automatic, safe and reliable, the thermal efficiency of 98% or more other features, is a green product. Many countries in the late 1970s to the early 1980s, began to research and development of electric boiler. China in the mid-1980s, started developing electric boiler products, by the mid-1990s, many companies will be applied to electric heating boiler, central air conditioning and hot water supply. Category: Electric heating boilers are divided into three categories: LDR (WDR) electric steam boilers, CLDZ (CWDZ) electric hot water boilers and KS-D electric water boiler. Electric water boiler which is divided into KS-D electric water boilers and XKS-D electric storage water boiler. The impact of fuel: in the development process of the boiler, the type of fuel has a great influence on the furnace and combustion equipment. Therefore, not only requires development of various combustion furnaces to adapt to the characteristics of different fuels, but also to improve combustion efficiency to save energy. Additionally, technical improvements of the furnace and the combustion device further required to minimize contaminants (sulfur oxides and nitrogen oxides) in an exhaust gas boiler, coal and wood early shell boiler fixed grate, and multi-quality coal burning wood, coal and slag are added by hand. It began to grate after mechanized straight water tube boilers appears, chain grate has been widely used. Blowing wind never segmented cartridge system under development into segments blowing grate. Early furnace low, low combustion efficiency. Later, it was recognized that the role and structure of the combustion furnace volume of the furnace made high, and the use of furnace arch and secondary air, thereby improving combustion efficiency. 2, coal oil and generator power exceeds 6 MW, the size of these layers grate burner is too large, complex structure, easy arrangement, so 1920s using the burner chamber, the combustion chamber coal and oil burning furnaces . After the coal ground by the mill coal burner combustion injected into the furnace, then the capacity of the generator is no longer limited by the combustion apparatus. Since the beginning of the Second World War, almost all of the power plant boiler using the burner chamber. Pulverized early produced using U-shaped flame. Burner pulverized coal flow jetted to fall in the furnace, and then turns to rise. Later appeared cyclone burner front wall arrangement, L-shaped torch flame in the furnace. As the boiler capacity is increased, the number of cyclone burners also begins to increase, may be arranged on both sides of the wall, the back wall may be disposed on the front. Around 1930 he appeared in the four corners of the furnace and is arranged mostly circle tangential DC combustion burner. 3, after the Second World War, oil, cheap oil, widely used in many countries have begun to oil-fired boiler. Automated oil-fired boilers easily improved. After the 1970s oil price increases, many countries once again turned to the use of coal resources. At this power plant boiler capacity is also growing, combustion apparatus requires not only complete combustion, ignition stable, reliable operation, good low-load performance, must also reduce pollutants in the exhaust.
Small electric steam generator What are the benefits, features? First, electric and gas, fuel oil to generate steam compare the advantages and disadvantages: advantages and disadvantages of gas: Advantages: coal is the most economical energy per kilogram of coal can produce more than 5,000 calories, can produce around 60,000 kg of steam (theoretical value). Both economical than electric, fuel oil and natural gas. Disadvantages: 1, low efficiency, although theoretically per kilogram of coal can produce more than 5,000 calories, but due to the limitations of the gas 3640kw electric steam generator and the Boilermakers by human factors, the real heat of the steam is converted to produce far less than the theoretical value, the heat efficiency of around 60%. 2, can not do automatic control, if the device is not continuous steady steam steam that instant steam consumption fluctuations, the steam produced by the boiler with the steam in the bottom of the valley steam equipment can only let go waste. 3, need specialized operators, high labor costs. 4, do not meet the requirements of modern environmental protection, banning small gas boiler is the trend. The advantages and disadvantages of fuel: fuel meets the requirements of environmental protection, the state has not been expressly provided, however, based on current oil prices, its economy has ceased to exist. Per liter of oil can produce more than 18,000 calories, about 60% utilization, we can produce about 10 kg of steam. Which produce one ton of steam costs around 800 dollars (at current prices). The advantages and disadvantages of heating: Cons: Because electricity is converted from the other sources of energy, so the relatively high price point, once electricity can produce about 1.5 kg of steam. Calculated to produce 1 ton of steam costs about 400 yuan or so based on the current average domestic electricity bill. More expensive than gas. Advantages: 1, high efficiency, above 98% heat utilization. 2, it is possible to achieve automatic control device can automatically adjust the operation of the equipment in accordance with the amount of steam vapor apparatus, according to how much power consumption is the amount of steam may be. There is no waste. Particularly suitable for the case of steam is not constant. For example: a user selection of 0.5 t / h of electric steam generator, power is 360KW equipment, operation at full load, the theoretical power consumption of 360 degrees / hour, but if the user one hour using 200 kg of steam only, then only the power 140 degrees. In many industries such as: medical and pharmaceutical industry sterilization, washing and drying equipment, chemical equipment, etc., the amount of steam is intermittent, this situation if you use gas-fired boilers, there will be large
How to clean scale electric steam generator? In order to ensure the safe operation of electrical steam generator capable of economy, the need for scale clean-up: 1 mechanical descaling method: When there is an electrical steam generator furnace slag and loose scale, the cast iron hot water 3640kw electric steam generator shutdown after cooling, let go of boiler water, after washing with water, and maneuvering wire brush descaling header milling. 2. The alkali cooking cleaning method: alkali cooking method cleaning descaling, pickling cleaning effect than the difference method, but since a base boiled loose scale, and therefore difficult to remove with hydrochloric acid for scale before acid pickling may be treated with a base to conduct a cooking method. Scale generator? Simple electrical steam generator heating method operating a base, side effects are relatively small descaling pickling 3. Method: descaling pickling process using hydrochloric acid or nitric acid, most of the cleaning. How to clean electric steam pickling solution by adding nitric acid or hydrochloric acid was added inhibitor of the corrosion inhibitor composition. This can eliminate the acid liquid boiler scale (scale except when nitrate, hydrofluoric acid to be added), and very few corrosion gas hot water boiler.
Cade Shopping Mall is located in central Shanghai Hongkou District, Shanghai Daily larger flow of people in the region. The introduction of Shanghai air pollutant emission standards, 3640kw electric steam generator flue gas emissions of nitrogen oxide emissions to less than 80 mg / m, Shopping Mall a coal-fired boilers have been used for many years, NOx emissions far super to this request, the urgent need to replace more environmentally friendly low nitrogen emission boilers. Other units through the use of fast Boiler introduction and understanding, determined and fast boiler to achieve cooperation, party fast to their specific needs to recommend one condensing gas hot water boiler of a 4.2MW for heating needs of the shopping center.
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